skip unused value in CSSPropertyParser::parse2ValuesFillPosition

Spotted a warning due to this unused value while testing some static
analyzer tools.

Review URL: https://codereview.chromium.org/196533005

git-svn-id: svn://svn.chromium.org/blink/trunk@169071 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed
tree: a10a06d25574f6c57bbbcbd28944dd5e123bcee8
  1. third_party/